Re-fueling spillage

Discussion in 'Top Tips & Tricks' started by Ed-E, Apr 16, 2016.

  1. Ed-E

    Ed-E Funster

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    Hello,
    I recently bought a Weinsberg Komet (Think Hymer 544) and when refueling, after just a small amount of fuel it backs up and 'hoofs' a load of diesel out but is clearly not full.

    If i only half squeeze the trigger, it goes in but fully and it doesn't. Nothing seems to be blocking teh tube.

    Any ideas ?

    Ed
     
  2. Snowbird

    Snowbird Funster Life Member

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    Sounds like a restricted breather pipe.
     
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  3. unimog

    unimog Funster

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    There will be a breather pipe that vents back into the neck of the filler pipe . Some where in the vent pipe there is a restriction . Its possible the vent pipe has been crushed . I had it happen on a merc panel van years ago real pain to get too Mike
     
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  4. andy63

    andy63 Funster

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    There may be a restriction at the base of the tube where it joins the tank.. A plastic grid .. my transit had one on before I got rid and I still have problems if the pump nozzle isn't in the filler tube just right...
    Think its fitted to stop fuel been syphoned off..
    Try sliding a tube all the way down the filler pipe to tank... If it hits a restriction that will be it..
    Andy..
     
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  5. Larrynwin

    Larrynwin Funster

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    Sounds like a tight bend in the filler to tank hose.
     
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  6. Gellyneck

    Gellyneck Funster Life Member

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    Maybe stop trying to put in cheap diesel?:whistle: Obviously doesn't like it and it's barfing it back out.:imoutahere:
    Either that, or as the other guys say, the breather pipe may be blocked?
     
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  7. Badknee

    Badknee Funster

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    If it isn't a standard factory fit tank and filler neck from the factory and has been altered by the body builders (A class) it may have a restriction in it. I think you will have to have a crawl under your Moho to see what's going on.
     
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  8. FJmike

    FJmike Funster

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    Since new my Mercedes based Piloted has done this, it's because the filler is too near the tank, on later models they had the filler a lot higher. It makes it a right pain when refuelling I try to fill slowly but if it's a fast pump I usually give up after a while
     
  9. peter

    peter Funster

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    I had the same problem on my Merc' based LeVoyageur. Took ages to fill the tank, what a pain in the ass.
    Nothing you can do about it, but you could get the other half out to give the van a bit of a polish whilst your wating. :sneaky:
     
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  10. Geo

    Geo Trader - Funster

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    Try turning the filler sideways or even upside down, even through an imaginary clock face when filling, you will find a sweet spot im 99% sure(y)
     
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  11. FJmike

    FJmike Funster

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    I try this Geo but it can be pump dependant, some 45° others a bit more or some nothing helps
     
  12. Geo

    Geo Trader - Funster

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    If a sweet spot is not found then obstruction is the only other logical reason.
    An obstruction does not always mean a blockage, it can often be a simple step or ridge at pipes joint or tank creating a back lash, that effects the cut off system in the pumps, as you say some are more prone or sensitive than others
    Dropping a lighted match in the filler neck when filling often clears any obstruction along with the petrol station the vehicle and usually the operator too :whistle::rolleyes::imoutahere:
    That last comment means iv'e run out of sensible solutions:RollEyes:
    G
     
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